Pipe coupler with positive disconnect device

Details Pipe coupler with positive disconnect device Pipe coupler with positive disconnect device

1978-09-12

1980-04-15

Callaghan, Thomas F.

Pipe joints or couplings

With assembly means or feature

2853323, 285364, F16L 2300

Patent

active

041980760

ABSTRACT:
A pipe coupler for releasably connecting two flanged pipes together in end-to-end manner, and with a means for positively disconnecting the pipes when the cpupler's grip thereof is released. A plurality of the couplers are mounted on and spaced around one of the pipe flanges, and each coupler has an arm with a jaw for gripping the opposing pipe flange and a stem slip-fitted into a housing so as to be rotatable and translatable relative thereto for effecting clamping and unclamping movement. A drawbolt is threaded into a bore in the stem to move the stem forward or backward with respect to the housing. A radially extending finger connected to the stem applies force against the opposing pipe flange to push the two flanges apart and positively separate the pipes as the stem moves outward from the housing.

REFERENCES:
patent: 2196622 (1940-04-01), Bean
patent: 3033597 (1962-05-01), Miller
patent: 3116943 (1964-01-01), Wagner
patent: 3131642 (1964-05-01), Geer et al.
patent: 3830533 (1974-08-01), Mezei et al.

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